The exact payload to send to the channel.
| Name | Type | Description | Notes |
|---|---|---|---|
| payload | object | [optional] | |
| with_capabilities | list[str] | List of capabilities needed for the override message to be received by the end user. `LIST` : for list picker; `TIME` : for time picker; `FORM` : for form; `QUICK` : for quick reply; `AUTH2` : for authentication | [optional] |